| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > psubclssatN | Structured version Visualization version GIF version | ||
| Description: A closed projective subspace is a set of atoms. (Contributed by NM, 25-Jan-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| psubclssat.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| psubclssat.c | ⊢ 𝐶 = (PSubCl‘𝐾) |
| Ref | Expression |
|---|---|
| psubclssatN | ⊢ ((𝐾 ∈ 𝐷 ∧ 𝑋 ∈ 𝐶) → 𝑋 ⊆ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | psubclssat.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 2 | eqid 2760 | . . 3 ⊢ (⊥𝑃‘𝐾) = (⊥𝑃‘𝐾) | |
| 3 | psubclssat.c | . . 3 ⊢ 𝐶 = (PSubCl‘𝐾) | |
| 4 | 1, 2, 3 | psubcliN 41088 | . 2 ⊢ ((𝐾 ∈ 𝐷 ∧ 𝑋 ∈ 𝐶) → (𝑋 ⊆ 𝐴 ∧ ((⊥𝑃‘𝐾)‘((⊥𝑃‘𝐾)‘𝑋)) = 𝑋)) |
| 5 | 4 | simpld 500 | 1 ⊢ ((𝐾 ∈ 𝐷 ∧ 𝑋 ∈ 𝐶) → 𝑋 ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ⊆ wss 3895 ‘cfv 6538 Atomscatm 40413 ⊥𝑃cpolN 41052 PSubClcpscN 41084 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-iota 6494 df-fun 6540 df-fv 6546 df-psubclN 41085 |
| This theorem is used by: pmapidclN 41092 psubclinN 41098 paddatclN 41099 pclfinclN 41100 poml6N 41105 osumcllem3N 41108 osumcllem9N 41114 osumcllem11N 41116 osumclN 41117 |
| Copyright terms: Public domain | W3C validator |